37345445645072 has 20 divisors (see below), whose sum is σ = 73033032725136. Its totient is φ = 18498211393440.

The previous prime is 37345445645041. The next prime is 37345445645087. The reversal of 37345445645072 is 27054654454373.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10906962554 + ... + 10906965977.

Almost surely, 2^{37345445645072} is an apocalyptic number.

It is an amenable number.

37345445645072 is a deficient number, since it is larger than the sum of its proper divisors (35687587080064).

37345445645072 is a wasteful number, since it uses less digits than its factorization.

37345445645072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21813928646 (or 21813928640 counting only the distinct ones).

The product of its (nonzero) digits is 169344000, while the sum is 59.

The spelling of 37345445645072 in words is "thirty-seven trillion, three hundred forty-five billion, four hundred forty-five million, six hundred forty-five thousand, seventy-two".